Colorado will vote next year on single-payer health care system — and insurers are already freaking out

First legalized marijuana, now universal health care? As reported by the Denver Post, Colorado is now poised to consider the possibility of expanding its health coverage in a way never before seen in the United States via a single-payer insurance system — thanks to a successful campaign run by ColoradoCareYES. The grassroots group presented 158,831 signatures…